Invoices, statements and contracts are full of bank details. Blackline AI detects every IBAN, BIC and account number automatically and removes them permanently before you forward the document.
Tick a category — the AI finds every match in the document and blacks it out. Names, amounts, IBANs, addresses and more, in seconds.
Service Agreement
Between Sarah Bennett, 14 Kingsway, London WC2B 6LH and Northwind Ltd.
Consulting fee 4.250,00 EUR · Setup 890,00 EUR
Payable to IBAN DE44 5001 0517 5407 3249 31
Signed by Mark Feldmann · Total 5.140,00 EUR
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Black bars are baked into a flattened image – the text underneath cannot be copied, searched or recovered.
OCR, rendering and export happen on your device. Only extracted text is sent to AI for classification.
Files are never stored on our servers. Close the tab and the document is gone.
Works with multi-page PDFs and scanned images thanks to built-in OCR.
Yes. The AI recognizes international IBAN formats plus BIC/SWIFT codes and classic account numbers.
No. Pages are flattened to an image — the digits underneath the black bars are gone for good.
Yes. Enable only the IBAN category and leave amounts untouched.
Free for 3 documents per month. No signup needed to try.